19' 



Imp 



Ightham (Kent), Palaeolith. flint-implein. 

 nr., xlv. 270-297 & pis. ix.-xi. ; map of 

 drift-beds around, xlv. pi. ix. ; section 

 along crest of Chalk escarpm. to Lirnps- 

 field, xlvii. pi. vi. ; ossif. fissures nr., 1. 

 171-187 figs. ; vertebrate fauna fr. same, 

 1. 188-211 & pis. x.-xii. ; I. Common, 

 section to Comp Wood, xlv. 272. , 

 Igneous rocks of Charnwood Forest, xxxiv. 

 211, xxxvi. 349; age of same, xxxiv. 

 237 ; of N. Gippsland, tabulated, xxxv. 

 8; assoc. w. pre-Devon. of Bohemia, 

 xxxvi. 598 ; in N.W. Highlands, xxxix. 

 408; microsc. struct, of same, xxxix. 

 419 ; var. in, condit. on wh. they depend, 

 xl. 54. 

 Igneous matter, phys. condit. involved in 

 injection, extrusion, & cooling of, xli. 

 Proc. 103-106; ign. rocks, classif. & 

 struct, of, xli. Proc. 61-96 ; convers. of 

 crystal! schists into, in Galway, xliii. 

 517-524; of S. of I. of Man, xlvii. 432- 

 450 & pi. xiv (map & sections). 

 Iguana, basi-occipital of, v. pl.x. ; vertebra 

 comp. w. that in Clidastes & Python, 

 xxxiii. 709 fig., 710. 

 Iguana Creek Beds (Carb.) of N. Gippsland, 



xxxv. 26. 

 Iguanodon, fr. I. of Wight, ii. 95 ; (?) at 

 Ridgeway, iv. 24S ; fr. Hastings, 

 Brook Bay, & Tilgate Forest, v. 40-42 ; 

 bones of hind-foot of, xiv. 174 ; femur 

 of, xiv. p. lxxxii, 175 ; do. comp. w. that 

 of Jlegalosaurus, xxiii. 3 ; footpr. found 

 nr. Hastings, xviii. 247-253 figs. 

 Iguanodon, disting. fr. HypsilopTiodon, 

 xxvi. 3 et seqq., xxix. 523 et seqq., xxx. 

 22, 23; gen. struct, comp. w. that of 

 birds, xxvi. 16 et seqq., xxx. 12, 13; tibia 

 comp. w. that oi Jlegalosaurus, xxvi. 19; 

 presumed skull of, fr. Brook, xxvii. 199 

 -206 & pi. xi; supp. scapula of, xxx. 

 521 et seqq. 

 Iguanodon (?) axis fr. Brook Point, xxxi. 

 461-464figs. ; pelvis of, xxxii.364,365 fig.; 

 do. comp. w. that of Ornithopsis, xxxviii. 

 374 ; tooth-root, etc. in, xxxv. 197 ; astra- 

 galus of, xxxv. pi. xii. ; sacral measurem., 

 xxxvi. 448; struct, of shoulder-girdle, 

 xxxix. Proc. 61, 62, 63 figs. ; cranial & 

 pelvic struct, of, xl. Proc. 47 et seqq. ; 

 sternal apparatus of, xli . 473-475 & pl.xiv.; 

 maxilla of, xlii. 435-436 & pi. xiv. 



bernissartensis, side view of cranium, 



xl. Proc. 48. 



Daivsoni, sp. nov., xliv. 47 et seqq. 



figs. ; chief char, of, xlvi. 38 ; left ilium 

 of, xlvi. 37 fig. 



• Fittoni, xlvi. 37 fig., 38. 



hollingtoniensis, xlvi. 37 fig., 40, 41 



%• 



Mantelli, dinosaur fr. Cowleaze 



Chine all. to, xxi. 455; astragalus of, 

 xxx. 24-26 figs. ; os articulare of, xxxiv. 

 714-747 figs.; tibia of, xxxv. pi. xii.; 

 vertebrae of, xxxviii. 142 ; dorsal vertebra? 

 comp. w. those of Sphenospondylus, 

 xxxix. 61. 



Iguanodon Prestwichii, sp. nov., xxxvi. 

 433-456 & pis. xviii.-xx. 



Seelyi, sp. nov., xxxviii. 135-144 figs. 



& pi. iv. 



Suessii referred to Mochlodon, xxxvii. 



621, 624. 



spp., xlvi. 43, 44 fig. 



Iguanodon-quSLYVj nr. Allington, section 



of ' pipes ' in, xxi. 455. 

 Iguanodontia, char, of group, xxvi. 34; 

 obs. on, xliv. 46; fr. Wadhurst Clav, 

 xlvi. 36. 

 Iken (Suffolk), section at, v. 347; do. to 



Chillesford, v. 349. 

 Ilchesteb, Earl of, obituary of, xxi. 



p. xlix. 

 Ilex Hartungii, foss., xv. 56. 

 Ilford (Essex), Pleistoc. foss. at, iv. 42-46 ; 

 brickearths at, xxiii. 92, xxxviii. pi. xxvi 

 (sections). 

 Ilfracombe (Devon), Palgeoz. at & nr., 

 xxii. 354, 356 figs. ; Middle Devon, 

 of district, xxiii. 604, 608; effects of 

 pressure on limest. at, xxxv. Proc. 88 

 figs. ; section in road-cutting nr., xlviii. 

 318. 

 Ilfracombe Beds, distrib. of foss. in, 

 xxiii. 372, 376 et seqq., 639; in W. 

 Somerset & N. Devon, xxiii. 586, 589 et 

 seqq. ; conclusions as to, xxiii. 611. 

 Ilfracombe Slates in W. Somerset, xxxv. 



535 et seqq. 

 Ilgachuz Mt. (Brit. Columbia), view showg. 



limit of drift-deposits, xxxiv. 109. 

 Ill&nopsis (?) acuticaudata, sp. nov., xxxi. 



184 & pi. ix. 

 Illcenus Davisii, v. 15. 



Hughesii, sp. nov., xxxi. 184 & pi. ix. 



lusitanicus, sp. nov., v. 150 & pi. vi. ; 



synonym of I. giganteus, ix. 158 & 

 pi. vii. 



sp. (Silur.), vii. 171 & pi. ix. 



Illawarra (N.S.W.), iii. 241, 242. 



Illawarra Shales, xxii. 441. 



Illinois (U.S.A.), geol. of, xxiv. pp. xlvi 



et seqq. 

 Illinois coalfield, ii. 434 et seqq. 

 Ilmenite in Cornish elvans, xxxiv. 475 ; 

 in High Green dykes, xl. 242; (?) in 

 Gr. Whin Sill, xl. 650 & pi. xxix.; 

 (?) intergrown w. magnetite ibid., xl. 

 651 ; in sheared rocks of Malvem Hills, 

 xlv. 490. 

 Ilminster (Somerset), Avicula contorta- 

 zone nr., xvi. 374, 384 ; Lias at, xvii. 

 484, 485 ; section at White Lackington 

 Park, descr., xlv. 450. 

 lisle}', East (Berks), section to Culham, 



xxxviii. 128. 

 Image, (Rev.) — , obituary of, xiii. p. lxxv. 

 Implements in Sicil. caves, xvi. 104, 

 106,460; fr. St. Acheul, xvi. 190-192 

 & pi. xi.; fr. Suffolk, etc., xvii. 362 

 -368; their bearg. on antiquity of 

 man, xvii. pp. Ix et seqq. ; in gravel 

 nr. Bedford, xviii. 113 ; f r. nr. Baggy 

 Point, xviii. 114; fr. Wookey ^ole, 

 xviii. 118 figs., xix. 273. 



